Rislone High-Performance Oil Treatment
Just because your car is older or has a lot of miles doesn’t mean it can’t perform like it used to. Remember the good old days? Get them back with a can of Rislone High-Performance Oil Treatment. This high-viscosity formula was specially developed for older and higher-mileage engines to improve their performance so you and your car can have many more good days. Performance doesn’t have to diminish with age, and we can prove it. We’ve been proving it for over 90 years.

This high-viscosity formula increases oil film thickness, building a thicker oil cushion and increasing oil pressure in mid- to high-mileage engines. Increased oil pressure equals increased power and a quieter-running engine. Not to mention, the Rislone High-Performance Oil Treatment…

Engineered Specifically for High-Mileage Engines
Young people and older folks aren’t the same: they need different things for optimal health. It’s the same with your car. New engines and older, high-mileage engines have different lubrication and cleaning requirements.

We talk to hundreds of customers every week, and one of the most common conversations we have is about high-mileage engines. How can it be cleaned? What protection does it need? How can it get back to running like it used to? How can I keep it on the road?

It such a common question that we developed the best high-mileage formula on the market: Rislone High-Mileage Engine Treatment. We took our legendary Rislone Engine Treatment – the one that’s been winning awards for decades – and specifically modified…

Not the First, but the Best: Rislone Diesel Fuel System Treatment
Modern fuel systems, even with today’s fuel chemistry, need some help to remain at peak performance. Diesel engines are no exception. Our Rislone Complete Diesel Fuel System Treatment improves the quality of diesel fuel by increasing its cleaning ability, boosting cetane, adding lubrication, removing contaminants, fighting corrosion, and helping to prevent the fuel from gelling and going bad.

This one dual-cavity bottle contains the same number of additives equal to a bottle of regular fuel injector cleaner, upper cylinder lubricant, fuel stabilizer, anti-gel, diesel treatment and cetane booster. Talk about the perfect all-in-one! It also increases power, performance and mileage and saves fuel by cleaning and lubricating the entire fuel system.
Discover the Best Diesel Fuel Treatment
There’s been a lot of talk in…

Rislone Fuel Injector Cleaner (6 oz. Bottle)
Rislone Fuel Injector Cleaner — the best performance fuel additive to use with every fill-up. From the beginning, we engineered this formula to be better than your average fuel additive. With millions of bottles sold worldwide, we’d say we accomplished our mission.

This complete fuel injector cleaner helps eliminate noisy injectors and fuel pumps, rough idle, hard starting and hesitation. Its high-performance additives increase power, performance, and mileage (MPG). You can use this product with all gasoline, ULSD diesel and E85 Flex-Fuel engines, as well as all unleaded, oxygenated, reformulated and biofuels.
Easily Keep Your Fuel Injectors Clean
Keeping your car’s fuel injectors clean is critical for maximum performance and the best fuel economy possible. Clean fuel injectors also mean your high-pressure fuel pump and system…

The Legend: Rislone Engine Treatment
This is it – the product that made Rislone famous. It used to be called “a tune-up in a bottle,” and was the very reason the phrase “tune-up” was invented. No joke — this is where all that started. Fast forward to today: eating clean and healthy foods ensures that our bodies perform at their best. The cleaner we keep our system, the better it runs. This is true for our cars as well.  A cleaner engine is a better-lubricated engine with less friction and wear. Our famous, award-winning Rislone Engine Treatment does just that. This product contains high quality penetrating lubrication oil, combined with protective engine additives and special cleaning agents. It’s like a healthy diet for your car.

Its…